//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup() {
    //loads popup only if it is disabled
    if (popupStatus == 0) {
        $("div.popupPush").fadeIn(0);
        $("#backgroundPopup").css({
            "opacity": "0.4"
        });
        $("#backgroundPopup").fadeIn("slow");
        $("#popupContact").fadeIn("slow");

        popupStatus = 1;
    }


}

//disabling popup with jQuery magic!
function disablePopup() {
    //disables popup only if it is enabled
    if (popupStatus == 1) {
        $("#backgroundPopup").fadeOut("slow");
        $("#popupContact").fadeOut("slow");
        popupStatus = 0;
        $("div.dShadow").hide();
        $("div.popupPush").fadeOut("slow");
    }
}

//centering popup
function centerPopup() {
    //request data for centering
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#popupContact").height();
    var popupWidth = $("#popupContact").width();
    //centering
    $("#popupContact").css({
        "background-color": "#747474",
        "position": "absolute",
        "top": "0px",
        "left": "50%",
        "margin-left": "-466px",
        "margin-top": "130px"
    });
    //only need force for IE6


    $("#backgroundPopup").css({
        "height": windowHeight

    });

    //$('div.dShadow').fadeTo("slow", 1.0);

    $('div.dShadow').show();



}


//CONTROLLING EVENTS IN jQuery
$(document).ready(function () {

    //LOADING POPUP
    //Click the button event!
    $("#button").click(function () {
        //centering with css
        centerPopup();
        //load popup
        loadPopup();
    });

    //CLOSING POPUP
    //Click the x event!
    $("#popupContactClose").click(function () {
        disablePopup();

    });
    //Click out event!
    $("#backgroundPopup").click(function () {
        disablePopup();
    });


    //Press Escape event!
    $(document).keypress(function (e) {
        if (e.keyCode == 27 && popupStatus == 1) {
            disablePopup();
        }
    });

});